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Single Family ResidenceResidential
$927,892$335 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

10227 CALIFORNIA AVE

RIVERSIDE, CA 92503
4
Beds
3.5
Baths
2,772 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$928K
$809K low$1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,772 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$481,221 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,320
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$437,901
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$471,786
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$832,860

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyRIVERSIDE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2005
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(5)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Myra Linn Elementary SchoolC
Elementary · Grades KG–5 · 0.4 mi
M
Wells Middle SchoolD-
Middle · Grades 6–8 · 0.8 mi
H
La Sierra High SchoolC-
High · Grades 9–12 · 1.1 mi

District: Alvord Unified School District

Neighborhood · ZIP 92503These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.57
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.290

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.96,024
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,949 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,069
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,138
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

10227 California Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the most valuable homes in Arlanza
  • Costs less per square foot than 90% of homes in Arlanza
  • Among the largest homes in Arlanza
  • Has a bigger lot than 81% of homes in Arlanza
  • Newer than 94% of homes in Arlanza

What homes are worth in Riverside 92503

Each bar is how many homes fall in that price range. The marker is this home.

This home
$379K$1.2M

This home is worth more than 90% of homes in Riverside 92503.

How it measures up in Riverside 92503

The dot is this home. The mark in the middle is the typical home in Riverside 92503.

Estimated value$927,892
CheaperTypical $598,821Pricier

Pricier than 90% of homes nearby

Price per ft²$335
CheaperTypical $378Pricier

Pricier than 31% of homes nearby

Living area2,772 ft²
SmallerTypical 1,537 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.22 ac
SmallerTypical 0.19 acBigger

Bigger than 63% of homes nearby

Year built2004
OlderTypical 1978Newer

Newer than 84% of homes nearby

How 10227 California Ave ranks against every home in each area.
MeasureThis homeArlanzaRiverside 92503Riverside County
Estimated valuepricier than$927,892almost all homes90% of homes88% of homes
Price per ft²pricier than$33510% of homes31% of homes58% of homes
Living areabigger than2,772 ft²almost all homes83% of homes83% of homes
Lot sizebigger than0.22 ac81% of homes63% of homes57% of homes
Year builtnewer than200494% of homes84% of homes75% of homes

About 10227 California Ave

How much is 10227 California Ave, Riverside, CA worth?

The TopHap Estimate for 10227 California Ave, Riverside, CA is $927,892 as of Sep 24, 2026. The likely range is $809,094 to $1,046,690. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10227 California Ave, Riverside, CA last sell?

10227 California Ave, Riverside, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 10227 California Ave, Riverside, CA?

10227 California Ave, Riverside, CA has 4 bedrooms, 3.5 bathrooms, 2,772 square feet of living space and a 0.22-acre lot.

When was 10227 California Ave, Riverside, CA built?

10227 California Ave, Riverside, CA was built in 2004, making it 22 years old. The building has 1 story.

What schools serve 10227 California Ave, Riverside, CA?

10227 California Ave, Riverside, CA is assigned to Myra Linn Elementary School (elementary), rated C; Wells Middle School (middle), rated D-; La Sierra High School (high), rated C-. All sit in Alvord Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10227 California Ave, Riverside, CA compare to other homes in Riverside 92503?

Among the 21,420 homes in Riverside 92503, it is worth more than 90% of them ($927,892 against a typical $598,821), its price per square foot is higher than 31% of them ($335 against a typical $378), it is bigger than 83% of them (2,772 ft² against a typical 1,537 ft²), its lot is bigger than 63% of them (0.22 ac against a typical 0.19 ac) and it is newer than 84% of them (2004 against a typical 1978). Measured against all of Riverside County, it is worth more than 88% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 10227 California Ave, Riverside, CA?

The 2025 property tax bill for 10227 California Ave, Riverside, CA was $5,772. The county assessed it at $481,221.

More homes on California Ave

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